<div class="btn-group btn-divided-group btn-outline-divided-group">
  <button nbButton outline nbPopover="Click Mode" nbPopoverMode="click">
    Click Mode
  </button>

  <button nbButton outline nbPopover="Hint Mode" nbPopoverMode="hint">
    Hint Mode
  </button>

  <button nbButton outline nbPopover="Hover Mode" nbPopoverMode="hover">
    Hover Mode
  </button>
</div>
